06-24-2009, 10:06 AM
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Originally Posted by fibertech
I see you took KH readings but no GH or Phosphate. If your KH is that high your GH is going to probably be double meaning you have hard water. Your nitrates are pretty low for a planted tank. I looked at a bottle of the stuff you are using a few weeks ago when I was at PetSmart and saw that is doesn't have what is needed.
I also don't like to dose mixtures of ferts. a little reading and you will probably want to go a dry route where you can dose individual elements.
I would caution on using individual nutrients. Plants require specific amounts of various macro- and micro-nutrients, and some of these should not be in excess. On another forum an aquarist was having problems with iron deficiency, and the cause came down to overdosing with potassium (I think that was the nutrient, going from memory here) that was said to have affected the plant's ability to absorb iron. I'm not a botanist and would prefer not risking what I don't completely understand, instead sticking to a good prepared mixture like Flourish Comprehensive or the Kent that is more reliable and considerably less expensive in the long term.